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Highway speeds cabin noise

18K views 111 replies 22 participants last post by  D*2.3  
#1 ·
Hey guys..

So I've noticed it since I got the vehicle (new), but now seems to be louder.. have any of you noticed the highway speed (50 and up) cabin noise level getting louder?
 
#2 ·
The stock conti's that came on my '12 were really loud. I replaced them with Michelin Premier A/S's a few thousand miles ago and noticed a pretty good reduction in cabin noise and it also handles much better. I don't really remember it getting louder as time went on though.
 
#6 ·
When did you last rotate your tires? Increasing cabin noise from baseline is likely caused by cupping of your rear tires. It starts as a hum and increases to a roar as cupping gets worse. Rotating already cupped rear tires to the front will increase the cabin noise noticeably. If cupping is the source of your problem, replacing the rear tires is the only solution.

Stock Contis are not loud tires but they do "sing" at highway speeds. (high pitched whine)
 
#8 ·
It is a very loud engine. Sound deadening will help but, at around 75 it just drones. I could not tell until I had someone in the car trying to talk for three hours. None of my other cars four cylinders are this loud.
 
#9 ·
Mine is quiet. Not Lincoln Town Car quiet but you can hold a conversation at normal voice levels.

It's a bit louder on concrete when compared to asphalt though. Same measured decibels but a higher pitched whine. It's not the motor. It's the road surface. Could be our tires but even my Navigator is louder on concrete, and they didn't skimp on the sound deadening material.
 
#17 ·
Road noise is definitely a problem at highway speeds. Most of my driving is at highway speeds so noise is very important to me.

I'm at 27k miles on my stock Contis, and while it's going to be an expensive replacement, I'm looking forward to swapping out my tires for the Pirelli P7 set. Supposedly, they're the quietest set (and top rated).
 
#18 ·
The Focus does seem rather loud to me. I had a BMW before the Focus, and it was much quieter, I could hold a conversation at 80, just like I could in my living room. The Focus, I need to raise my voice to hold the same conversation. I see sound deadening in my future, after having a very quiet car, you realize how nice it is.
 
#19 ·
To be fair, you can't compare a BMW to a Focus. BMW is going to win hands down unless it's super old.

I talked to a couple people on here that applied sound dampening material to their Foci and the general consensus is that unless you can apply it to the ceiling and floor of the car, it's probably not worth the trouble. Doing just the door panels is probably not enough.

Surprisingly, before I purchased my Focus and test drove a bunch of cars, the Kia Forte was the quietest I came across in our class. Civic was a close second.
 
#24 ·
^^^
03' 330XI
I loved the car, It was quick, comfortable and one the nicest cars to drive I have owned. It ended up blowing something in the head, and I didn't want to spend a few grand to fix it. So it was time to move on.
 
#26 · (Edited)
when i first got my car I didn't notice road noise or wind noise being excessive , but it's gradually been getting louder and louder, to the point where trying to listen to the radio without blasting it is useless so I've started driving with no music. The sound of the road and every bump being transferred to the cabin is mind-numbing and I've tried much more than I should have to in order to fix it.

I've added sound deadening mats like dynamat over absolutely everything but the ceiling and added Ensolite foam over all the doors and trunk and wheel wells. I changed to Pirelli P7 Grand Touring tires which were, as you said, among the top rated and quietest, but they're not cheap.

About $800 later, the deadening and tires did make a noticeable impact, but nowhere near what I'd call acceptable. I went on a drive with one of the ford mechanics today and he said he didn't think it was excessive. It didn't help that it was especially windy today.

I've been looking into anything and everything I can to quiet this car down and the best info I've come across is that it's just a cheap car. I really don't understand why any manufacturer would make a car that's this loud at highway speeds and not see it as a problem. Plenty of people say their Focus is the quietest car they've been in but I can't imagine how. I used to drive a BMW M3 with a loud exhaust and it was much quieter than this car on the highway.

Long story short, I have the same issue on my 2014 Focus SE with the Sport Appearance Package and I'd hate to see you waste your time and money like I did. I'm on the quest of selling the car and getting a slightly sporty German car. Fuel efficiency be damned, I need peace.

Edit: I've been thinking it might be a wheel or axle bearing and am dropping the car off at the dealer tomorrow morning to check it out, hopefully replace something. For whatever reason, Focuses of all generations seem to wear wheel bearings a lot without normal bearing failure signs. I'll update if anything happens.

Edit 2: The dealer found nothing wrong with the mechanics of the car but did note that there was a lot of wind noise, so I'm not completely crazy.
 
#27 ·
when i first got my car I didn't notice road noise or wind noise being excessive , but it's gradually been getting louder and louder, to the point where trying to listen to the radio without blasting it is useless so I've started driving with no music. The sound of the road and every bump being transferred to the cabin is mind-numbing and I've tried much more than I should have to in order to fix it.

I've added sound deadening mats like dynamat over absolutely everything but the ceiling and added Ensolite foam over all the doors and trunk and wheel wells. I changed to Pirelli P7 Grand Touring tires which were, as you said, among the top rated and quietest, but they're not cheap.

About $800 later, the deadening and tires did make a noticeable impact, but nowhere near what I'd call acceptable. I went on a drive with one of the ford mechanics today and he said he didn't think it was excessive. It didn't help that it was especially windy today.

I've been looking into anything and everything I can to quiet this car down and the best info I've come across is that it's just a cheap car. I really don't understand why any manufacturer would make a car that's this loud at highway speeds and not see it as a problem. Plenty of people say their Focus is the quietest car they've been in but I can't imagine how. I used to drive a BMW M3 with a loud exhaust and it was much quieter than this car on the highway.

Long story short, I have the same issue on my 2014 Focus SE with the Sport Appearance Package and I'd hate to see you waste your time and money like I did. I'm on the quest of selling the car and getting a slightly sporty German car. Fuel efficiency be damned, I need peace.
Price a brand new Focus and then price a brand new M3.

The Focus IS a cheap car. It's not THE cheapest but it's nowhere near German luxury/sport luxury.

If your BMW was older, compare it to a Focus of the same year.
 
#31 ·
Thanks for all the replies guys... I definitely won't be selling this car just b/c of cabin noise. I will try my best (with whatever spare change I have) to reduce the noise. My wife has already said, we may as well keep this thing till it dies.. 40k miles a year doesn't help resale value down the road..
 
#33 ·
Check your wheel bearings. Wheel bearings don't always show wear with looseness. Also with tires as they get worn they usually get louder. So it isn't a good comparison. My Continentals are pretty quiet.
 
#34 ·
Ok.. so I said earlier I had continental tires.. I was wrong.. I assumed I had original equipment since I bought the car new, but turns out I had Cooper zeon rx3-a tires.. I don't kno if any of you have had them before or not but that what I had.. I'm getting a new set of pirelli p7 next tuesday since current tires are bald in the center. We will see if that helps.